Home / 85,410,588.30-128,103,440.85-24,819,996.30

Finding the Fourth Proportional to 85,410,588.30, 128,103,440.85 and 24,819,996.30

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Solution

The fourth proportional to 85,410,588.30, 128,103,440.85 and 24,819,996.30 is: 37,226,378.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,410,588.30 : 128,103,440.85 = 24,819,996.30 : x
  2. Step 2: Convert to fraction form
    85,410,588.30/128,103,440.85 = 24,819,996.30/x
  3. Step 3: Cross multiply
    85,410,588.30x = 128,103,440.85 × 24,819,996.30
  4. Step 4: Simplify right side
    85,410,588.30x = 3,179,526,927,914,269
  5. Step 5: Solve for x
    x = 3,179,526,927,914,269/85,410,588.30
  6. Step 6: Final answer
    x = 37,226,378.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.